Beijing-based Soho China Ltd. plunged in Hong Kong trading on Sept. 13. after U.S. private equity giant Blackstone Group Inc. dropped a $3 billion takeover deal last week. The commercial real estate developer, one of the largest in China, saw the biggest daily plunge in its stock price in the past 14 years. It came after Blackstone withdrew its acquisition as preconditions were unable to be satisfied, Soho said in a statement to the Hong Kong stock exchange on Friday, marking its second failed attempt at a sale. The scrapped deal wiped about $830 million from Soho China’s market value as its Hong Kong-listed shares fell as much as 40 percent to HK$2.10 ($0.27) on Monday. In June, Blackstone had offered HK$5 per share to buy all shares in the company, according to Soho China. The deal helped boost Soho China’s stock price dramatically from HK$2.45 on June 3 to …